Breakdown of زلزلههای ناشی از گسل، موضوع زمینشناسی هستند.
بودنbudan
to be
موضوعmowzu'
subject / topic
زلزلهzelzele
earthquake
ناشی ازnâshi az
resulting from
گسلgosal
fault line
زمینشناسیzamin-shenâsi
geology
Questions & Answers about زلزلههای ناشی از گسل، موضوع زمینشناسی هستند.
Why do we use nâshi az here instead of dar asar-e?
Nâshi az (resulting from) acts as an adjective modifying a noun, which is why it describes what kind of earthquakes they are. Dar asar-e (as a result of) is an adverbial phrase used to explain why an action happened. You would use dar asar-e for something like, "The building collapsed as a result of the earthquake."
Why is there an ezāfe on zelzeleh-hâ (earthquakes) right before nâshi az?
Because the entire phrase nâshi az gosal (resulting from a fault) functions as a descriptive block modifying zelzeleh-hâ. Just like a simple adjective, it must be linked to its noun using the ezāfe vowel (zelzeleh-hâ-ye...).
How does the compound word zamin-shenâsi (geology) work?
It combines zamin (earth/ground) with the suffix -shenâsi (study of/knowledge of). This suffix comes from the present stem of shenâkhtan (to know/recognize) and is the Farsi equivalent of "-logy" in English, used to name many sciences (e.g., ravân-shenâsi for psychology).
Since zelzeleh-hâ (earthquakes) are inanimate objects, why is the plural verb hastand (are) used instead of the singular ast?
While inanimate plurals often take a singular verb in spoken or everyday Farsi, using the plural verb for inanimate plural subjects is perfectly correct. It is very commonly used in formal, academic, or scientific writing to elevate the tone, which fits this sentence perfectly.
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